Can I render without the camera?
In some way, you can do this with:
3D Viewport ‣ View ‣ Viewport Render
but you have to keep in mind it won't be standard render. You will have to disable from rendering viewport overlays, like: floor, axis etc.
Examples:
Standard render:

Standard viewport render:

Viewport render without viewport overlays:

More info: https://docs.blender.org/manual/en/latest/editors/3dview/viewport_render.html